The 911 GT1 EVO 98 was designed by Porsche to compete in the GT1 category in 1998, at the Le Mans 24 Hours and in the FIA GT International Championship. In the beginning, the GT1 class was based on GT (Grand Touring) cars prepared for racing, but eventually they became racing prototypes. The '98 car was a brand new model from Porsche. This was the first car built by Porsche with a carbon composite monocoque chassis. It came with front and rear double wishbone suspensions with pushrod, 18” wheels, carbon brake discs. Engine was a six-cylinder, flat, 3.2 litres twin turbo, 4 valves per cylinder, water-cooled, unit, with maximum torque of 630 Nm at 5000 rpm and maximum power of 550 hp at 7200 rpm. Gearbox was six-speed sequential with triple disc carbon fibre clutch. Fuel tank capacity 100 litre. In 1998, the FIA GT championship was dominated by Mercedes, but Porsche was able to win the Le Mans 24 Hours. A. McNish and Y. Dalmas ran car number 7 In the FIA GT championship.